Toro Z550 Z Master, With 72in TURBO FORCE Side Discharge Mower User manual

FormNo.3358-881RevA

Z550ZMaster

®

with52in,60in

or72inTURBOFORCE

®

Side

DischargeMower

ModelNo.74271—SerialNo.280000001andUp

ModelNo.74272—SerialNo.280000001andUp

ModelNo.74273—SerialNo.280000001andUp

Registeratwww.Toro.com.OriginalInstructions(EN)

Warning

CALIFORNIA

Proposition65Warning

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

Important:Thisengineisnotequippedwitha

sparkarrestermufer.ItisaviolationofCalifornia

PublicResourceCodeSection4442touseoroperate

theengineonanyforest-covered,brush-covered,or

grass-coveredland.Otherstatesorfederalareas

mayhavesimilarlaws.

ThissparkignitionsystemcomplieswithCanadian

ICES-002.

Theenclosed

Engine Owner’ s Man ual

issupplied

forinformationregardingtheUSEnvironmental

ProtectionAgency(EPA)andtheCalifornia

EmissionControlRegulationofemissionsystems,

maintenance,andwarranty.Replacementsmaybe

orderedthroughtheenginemanufacturer.

Introduction

Readthisinformationcarefullytolearnhowtooperate

andmaintainyourproductproperlyandtoavoidinjury

andproductdamage.Youareresponsibleforoperating

theproductproperlyandsafely.

YoumaycontactTorodirectlyatwww.Toro.comfor

productandaccessoryinformation,helpndinga

dealer,ortoregisteryourproduct.

Wheneveryouneedservice,genuineToroparts,or

additionalinformation,contactanAuthorizedService

DealerorToroCustomerServiceandhavethemodel

andserialnumbersofyourproductready.Figure1

identiesthelocationofthemodelandserialnumbers

ontheproduct.Writethenumbersinthespace

provided.

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas

safetymessagesidentiedbythesafetyalertsymbol

(Figure2),whichsignalsahazardthatmaycauseserious

injuryordeathifyoudonotfollowtherecommended

precautions.

Figure2

1.Safetyalertsymbol

Thismanualuses2otherwordstohighlightinformation.

Importantcallsattentiontospecialmechanical

informationandNoteemphasizesgeneralinformation

worthyofspecialattention.

Contents

Introduction.................................................................2

Safety...........................................................................4

SafeOperatingPractices.......................................4

SlopeChart..........................................................6

SafetyandInstructionalDecals.............................7

ProductOverview......................................................12

Controls.............................................................12

Operation...................................................................13

AddingFuel.......................................................13

CheckingtheEngineOilLevel............................14

8111LyndaleAvenueSouth

Bloomington,MN55420

2

Contactusatwww.Toro.com.

PrintedintheUSA.

AllRightsReserved

UsingtheRolloverProtectionSystem

(ROPS)..........................................................14

ThinkSafetyFirst...............................................15

OperatingtheParkingBrake...............................16

StartingandStoppingtheEngine........................17

OperatingthePowerTakeOff(PTO).................18

TheSafetyInterlockSystem................................18

DrivingForwardorBackward.............................19

StoppingtheMachine.........................................20

AdjustingtheControlLeverResistance...............20

AdjustingtheHeight-of-Cut...............................20

AdjustingtheAnti-ScalpRollers.........................21

AdjustingtheFlowBafe...................................22

PositioningtheFlowBafe.................................22

UsingtheLiftAssistLever..................................23

PositioningtheSeat............................................23

UnlatchingtheSeat.............................................23

PushingtheMachinebyHand.............................24

UsingtheSideDischarge....................................24

BreakingInaNewMachine................................25

TransportingMachines.......................................25

LoadingMachines..............................................25

OperatingTips...................................................26

Maintenance...............................................................28

RecommendedMaintenanceSchedule(s)................28

Lubrication.............................................................29

GreasingandLubrication...................................29

EngineMaintenance...............................................30

ServicingtheAirCleaner....................................30

ServicingtheEngineOil.....................................31

ServicingtheSparkPlug.....................................32

FuelSystemMaintenance.......................................34

ReplacingtheFuelFilter.....................................34

ServicingtheFuelTank......................................34

ElectricalSystemMaintenance................................35

ServicingtheBattery...........................................35

ServicingtheFuses.............................................36

DriveSystemMaintenance.....................................37

AdjustingtheTracking........................................37

CheckingtheTirePressure.................................37

CheckingtheWheelHubSlottedNut..................37

AdjustingtheCasterPivotBearing......................38

CoolingSystemMaintenance..................................39

CleaningtheEngineScreenandtheOil

Cooler............................................................39

CleaningtheEngineFins....................................39

BrakeMaintenance.................................................39

AdjustingtheParkingBrake................................39

BeltMaintenance....................................................40

InspectingtheBelts............................................40

ReplacingtheMowerBelt...................................40

AdjustingtheMowerBeltTension......................41

ReplacingthePumpDriveBelt...........................42

ControlsSystemMaintenance.................................42

AdjustingtheControlHandleNeutral

Position..........................................................42

HydraulicSystemMaintenance...............................43

CheckingtheHydraulicFluid..............................43

ChangingtheHydraulicFilterandOil.................44

BleedingtheHydraulicSystem............................45

CheckingtheHydraulicHoses............................45

SettingtheHydraulicPumpNeutral

Position..........................................................45

MowerDeckMaintenance......................................47

LevelingtheMoweratThreePositions................47

ServicingtheCuttingBlades...............................49

ReplacingtheGrassDeector.............................51

Cleaning.................................................................52

CleaningtheHydraulicPumpShrouds................52

CleaningUndertheMower.................................52

WasteDisposal...................................................52

Storage.......................................................................53

Troubleshooting.........................................................54

Schematics.................................................................56

3

Safety

Improperuseormaintenancebytheoperatororowner

canresultininjury.Toreducethepotentialforinjury,

complywiththesesafetyinstructionsandalwayspay

attentiontothesafetyalertsymbol,whichmeans

CAUTION,WARNING,orDANGER-“personal

safetyinstruction."Failuretocomplywiththe

instructionmayresultinpersonalinjuryordeath.

Thisproductiscapableofamputatinghandsand

feetandthrowingobjects.Alwaysfollowallsafety

instructionstoavoidseriousinjuryordeath.

Thisproductisdesignedforcuttingandrecyclinggrass

or,whenequippedwithagrassbagger,forcatching

cutgrass.Anyuseforpurposesotherthanthesecould

provedangeroustouserandbystanders.

SafeOperatingPractices

ThefollowinginstructionsarefromANSIstandard

B71.4-2004.

Training

•ReadtheOperator’sManualandothertraining

material.Iftheoperator(s)ormechanic(s)cannot

readEnglishitistheowner’sresponsibilitytoexplain

thismaterialtothem.

•Becomefamiliarwiththesafeoperationofthe

equipment,operatorcontrols,andsafetysigns.

•Alloperatorsandmechanicsshouldbetrained.The

ownerisresponsiblefortrainingtheusers.

•Neverletchildrenoruntrainedpeopleoperateor

servicetheequipment.Localregulationsmayrestrict

theageoftheoperator.

•Theowner/usercanpreventandisresponsiblefor

accidentsorinjuriesoccurringtohimselforherself,

otherpeopleorproperty.

Preparation

•Evaluatetheterraintodeterminewhataccessories

andattachmentsareneededtoproperlyand

safelyperformthejob.Onlyuseaccessoriesand

attachmentsapprovedbythemanufacturer.

•Wearappropriateclothingincludinghardhat,safety

glassesandhearingprotection.Longhair,loose

clothingorjewelrymaygettangledinmovingparts.

•Inspecttheareawheretheequipmentistobeused

andremoveallobjectssuchasrocks,toysandwire

whichcanbethrownbythemachine.

•Useextracarewhenhandlinggasolineandother

fuels.Theyareammableandvaporsareexplosive.

–Useonlyanapprovedcontainer

–Neverrefuelordrainthemachineindoors.

–Neverremovegascaporaddfuelwithengine

running.Allowenginetocoolbeforerefueling.

Donotsmoke.

•Checkthatoperator’spresencecontrols,safety

switchesandshieldsareattachedandfunctioning

properly.Donotoperateunlesstheyarefunctioning

properly.

Operation

•Neverrunanengineinanenclosedarea.

•Onlyoperateingoodlight,keepingawayfromholes

andhiddenhazards.

•Besurealldrivesareinneutralandparkingbrakeis

engagedbeforestartingengine.Starttheengineonly

fromtheoperator’sposition.Useseatbelts.

•Neverraisemowerwiththebladesrunning.

•NeveroperatewithoutthePTOshield,orother

guardssecurelyinplace.Besureallinterlocksare

attached,adjustedproperly,andfunctioningproperly.

•Neveroperatewiththedischargedeectorraised,

removedoraltered,unlessusingagrasscatcher.

•Donotchangetheenginegovernorsettingor

overspeedtheengine.

•Stoponlevelground,lowerimplements,disengage

drives,engageparkingbrake,shutoffenginebefore

leavingtheoperator’spositionforanyreason

includingemptyingthecatchersoruncloggingthe

chute.

•Stopequipmentandinspectbladesafterstriking

objectsorifanabnormalvibrationoccurs.Make

necessaryrepairsbeforeresumingoperations.

•Keephandsandfeetawayfromthecuttingunits.

•Nevercarrypassengersandkeeppetsandbystanders

away.

•Bealert,slowdownandusecautionwhenmaking

turns.Lookbehindandtothesidebeforechanging

directions.

•Slowdownandusecautionwhencrossingroadsand

sidewalks.Stopbladesifnotmowing.

•Beawareofthemowerdischargedirectionanddo

notpointitatanyone.

•Donotoperatethemowerundertheinuenceof

alcoholordrugs.

4

•Useextremecarewhenloadingorunloadingthe

machineintoatrailerortruck.

•Usecarewhenapproachingblindcorners,shrubs,

trees,orotherobjectsthatmayobscurevision.

SlopeOperation

•Donotmowslopesgreaterthan15degrees.

•Donotmowneardrop-offs,ditches,steepbanks

orwater.Wheelsdroppingoveredgescancause

rollovers,whichmayresultinseriousinjury,death

ordrowning.

•Donotmowslopeswhengrassiswet.Slippery

conditionsreducetractionandcouldcausesliding

andlossofcontrol.

•Donotmakesuddenturnsorrapidspeedchanges.

•Useawalkbehindmowerand/orahandtrimmer

neardrop-offs,ditches,steepbanksorwater.

•Reducespeedanduseextremecautiononslopes.

•Removeormarkobstaclessuchasrocks,treelimbs,

etc.fromthemowingarea.Tallgrasscanhide

obstacles.

•Watchforditches,holes,rocks,dips,andrisesthat

changetheoperatingangle,asroughterraincould

overturnthemachine.

•Avoidsuddenstartswhenmowinguphillbecause

themowermaytipbackwards.

•Beawarethatlossoftractionmayoccurgoing

downhill.Weighttransfertothefrontwheelsmay

causedrivewheelstoslipandcauselossofbraking

andsteering.

•Alwaysavoidsuddenstartingorstoppingona

slope.Iftireslosetraction,disengagethebladesand

proceedslowlyofftheslope.

•Followthemanufacturer’srecommendationsfor

wheelweightsorcounterweightstoimprovestability.

•Useextremecarewithgrasscatchersorother

attachments.Thesecanchangethestabilityofthe

machineandcauselossofcontrol.

UsingtheRolloverProtectionSystem

(ROPS)

•Keeptherollbarintheraisedandlockedposition

andusetheseatbeltwhenoperatingthemachine.

•Becertainthattheseatbeltcanbereleasedquickly

intheeventofanemergency.

•Beawarethereisnorolloverprotectionwhenthe

rollbarisdown.

•Checktheareatobemowedandneverfoldthe

ROPSinareaswherethereareslopes,dropoffsor

water.

•Lowertherollbaronlywhenabsolutelynecessary.

Donotweartheseatbeltwiththerollbarfolded

down.

•Checkcarefullyforoverheadclearances(i.e.

branches,doorways,electricalwires)beforedriving

underanyobjectsanddonotcontactthem.

Maintenanceandstorage

•Disengagedrives,lowerimplement,setparking

brake,stopengineandremovekeyordisconnect

sparkplugwire.Waitforallmovementtostop

beforeadjusting,cleaningorrepairing.

•Cleangrassanddebrisfromcuttingunits,drives,

mufers,andenginetohelppreventres.Cleanup

oilorfuelspillage.

•Letenginecoolbeforestoringanddonotstorenear

ame.

•Shutofffuelwhilestoringortransporting.Donot

storefuelnearamesordrainindoors.

•Parkmachineonlevelground.Neverallowuntrained

personneltoservicemachine.

•Usejackstandstosupportcomponentswhen

required.

•Carefullyreleasepressurefromcomponentswith

storedenergy.

•Disconnectbatteryorremovesparkplugwirebefore

makinganyrepairs.Disconnectthenegativeterminal

rstandthepositivelast.Reconnectpositiverst

andnegativelast.

•Usecarewhencheckingblades.Wraptheblade(s)or

weargloves,andusecautionwhenservicingthem.

Onlyreplaceblades.Neverstraightenorweldthem.

•Keephandsandfeetawayfrommovingparts.If

possible,donotmakeadjustmentswiththeengine

running.

•Chargebatteriesinanopenwellventilatedarea,

awayfromsparkandames.Unplugchargerbefore

connectingordisconnectingfrombattery.Wear

protectiveclothinganduseinsulatedtools.

•Keepallpartsingoodworkingconditionandall

hardwaretightened.Replaceallwornordamaged

decals.

•UseonlyToroapprovedattachments.Warrantymay

bevoidedifusedwithunapprovedattachments.

5

SlopeChart

6

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof

potentialdanger.Replaceanydecalthatisdamagedorlost.

1-403005

1-523552

1-633462

1-643339

54-9220

58-6520

1.Grease

66-1340

68-8340

7

98-4387

1.Warning—wearhearingprotection.

98-5954

103-5881

105-7798

105-7797

107-1621

107-1622

107-1857

8

107-2112

107-1860

107-1861

107-1864

107-1613

9

BatterySymbols

Someorallofthesesymbolsareonyourbattery

1.Explosionhazard

6.Keepbystandersasafe

distancefromthebattery.

2.Nore,opename,or

smoking.

7.Weareyeprotection;

explosivegasescan

causeblindnessandother

injuries

3.Causticliquid/chemical

burnhazard

8.Batteryacidcancause

blindnessorsevereburns.

4.Weareyeprotection9.Flusheyesimmediately

withwaterandgetmedical

helpfast.

5.ReadtheOperator’s

Manual.

10.Containslead;donot

discard.

Manufacturer’sMark

1.Indicatesthebladeisidentiedasapartfromtheoriginal

machinemanufacturer.

107-2102

110-5731

1.Engine—stop

5.Continuousvariable

setting

2.Engine—run

6.Slow

3.Engine—start

7.Powertake-off(PTO)

4.Fast

10

106-7492

106-9989

107-8076

1.Fast

2.Slow

3.Neutral4.Reverse

11

ProductOverview

Figure3

1.Motioncontrollever

5.Controls

2.Parkingbrakelever

6.Seatbelt

3.Height-of-cutlever

7.Rollbar

4.Fuelcap(bothsides)

Controls

Becomefamiliarwithallthecontrolsbeforeyoustartthe

engineandoperatethemachine(Figure3andFigure4).

Figure4

1.Gascap

4.Throttle

2.Choke5.Powertakeoff(PTO)

3.Ignitionswitch6.Hourmeter

HourMeter

Thehourmeterrecordsthenumberofhourstheengine

hasoperated.Itoperateswhentheengineisrunning.

Usethesetimesforschedulingregularmaintenance

(Figure4).

ThrottleControl

Thethrottlecontrolhastwopositions:FastandSlow.

Choke

Usethechoketostartacoldengine.

BladeControlSwitch(PTO)

Thebladecontrolswitch(PTO)isusedtoengagethe

electricclutchtodrivethemowerbladeswiththemotion

controlleversinthecenter,un-lockedposition.Pullthe

switchuptoengagethebladesandrelease.Todisengage

theblades,pushthebladecontrolswitch(PTO)down.

IgnitionSwitch

Thisswitchisusedtostartthemowerengineandhas

threepositions:Start,RunandOff.

Attachments/Accessories

AselectionofToroapprovedattachmentsand

accessoriesareavailableforusewiththemachineto

enhanceandexpanditscapabilities.Contactyour

12

AuthorizedServiceDealerorDistributororgoto

www.Toro.comforalistofallapprovedattachments

andaccessories.

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

AddingFuel

Useunleadedregulargasolinesuitableforautomotive

use(85pumpoctaneminimum).Leadedregular

gasolinemaybeusedifunleadedregularisnotavailable.

Important:Neverusemethanol,gasoline

containingmethanol,orgasoholcontainingmore

than10%ethanolbecausethefuelsystemcouldbe

damaged.Donotmixoilwithgasoline.

Incertainconditions,gasolineisextremely

ammableandhighlyexplosive.Areor

explosionfromgasolinecanburnyouand

othersandcandamageproperty.

•Fillthefueltankoutdoors,inanopenarea,

whentheengineiscold.Wipeupany

gasolinethatspills.

•Neverllthefueltankinsideanenclosed

trailer.

•Donotllthefueltankcompletelyfull.Add

gasolinetothefueltankuntilthelevelis1/4

to1/2inch(6to13mm)belowthebottomof

thellerneck.Thisemptyspaceinthetank

allowsgasolinetoexpand.

•Neversmokewhenhandlinggasoline,and

stayawayfromanopenameorwhere

gasolinefumesmaybeignitedbyaspark.

•Storegasolineinanapprovedcontainerand

keepitoutofthereachofchildren.Never

buymorethana30-daysupplyofgasoline.

•Donotoperatewithoutentireexhaust

systeminplaceandinproperworking

condition.

13

Incertainconditionsduringfueling,static

electricitycanbereleasedcausingaspark

whichcanignitethegasolinevapors.Are

orexplosionfromgasolinecanburnyouand

othersandcandamageproperty.

•Alwaysplacegasolinecontainersonthe

groundawayfromyourvehiclebeforelling.

•Donotllgasolinecontainersinsidea

vehicleoronatruckortrailerbedbecause

interiorcarpetsorplastictruckbedliners

mayinsulatethecontainerandslowtheloss

ofanystaticcharge.

•Whenpractical,removegas-powered

equipmentfromthetruckortrailerand

refueltheequipmentwithitswheelsonthe

ground.

•Ifthisisnotpossible,thenrefuelsuch

equipmentonatruckortrailerfroma

portablecontainer,ratherthanfroma

gasolinedispensernozzle.

•Ifagasolinedispensernozzlemustbeused,

keepthenozzleincontactwiththerimof

thefueltankorcontaineropeningatall

timesuntilfuelingiscomplete.

Gasolineisharmfulorfatalifswallowed.

Long-termexposuretovaporscancauseserious

injuryandillness.

•Avoidprolongedbreathingofvapors.

•Keepfaceawayfromnozzleandgastankor

conditioneropening.

•Keepgasawayfromeyesandskin.

UsingStabilizer/Conditioner

Useafuelstabilizer/conditionerinthemachineto

providethefollowingbenets:

•Keepsgasolinefreshduringstorageof90daysor

less.Forlongerstorageitisrecommendedthatthe

fueltankbedrained.

•Cleanstheenginewhileitruns

•Eliminatesgum-likevarnishbuildupinthefuel

system,whichcauseshardstarting

Important:Donotusefueladditivescontaining

methanolorethanol.

Addthecorrectamountofgasstabilizer/conditioner

tothegas.

Note:Afuelstabilizer/conditionerismosteffective

whenmixedwithfreshgasoline.Tominimizethe

chanceofvarnishdepositsinthefuelsystem,usefuel

stabilizeratalltimes.

FillingtheFuelTank

1.Shuttheengineoffandsettheparkingbrake.

2.Cleanaroundeachfueltankcapandremovethecap.

3.Addunleadedregulargasolinetobothfueltanks,

untilthelevelis1/4to1/2inch(6mmto13mm)

belowthebottomofthellerneck.

Thisspaceinthetankallowsgasolinetoexpand.

Donotllthefueltankscompletelyfull.

4.Installfueltankcapssecurely.

5.Wipeupanygasolinethatmayhavespilled.

CheckingtheEngineOilLevel

Beforeyoustarttheengineandusethemachine,check

theoillevelintheenginecrankcase;refertoChecking

theOilLevelinEngineMaintenance,page30

UsingtheRolloverProtection

System(ROPS)

Toavoidinjuryordeathfromrollover:keepthe

rollbarintheraisedlockedpositionanduse

theseatbelt.

Ensurethattherearpartoftheseatissecured

withtheseatlatch.

14

Thereisnorolloverprotectionwhentherollbar

isinthedownposition.

•Lowertherollbaronlywhenabsolutely

necessary.

•Donotweartheseatbeltwhentherollbaris

inthedownposition.

•Driveslowlyandcarefully.

•Raisetherollbarassoonasclearance

permits.

•Checkcarefullyforoverheadclearances(i.e.

branches,doorways,electricalwires)before

drivingunderanyobjectsanddonotcontact

them.

Important:Lowertherollbaronlywhen

absolutelynecessary.

1.Removethehairpincotterpinsandremovethetwo

pins(Figure6).

2.Lowertherollbartothedownposition.Thereare

twodownpositions.SeeFigure5forthepositions.

3.Installthetwopinsandsecurethemwiththe

hairpincotterpins(Figure6).

Figure5

1.Fulldownposition2.Downpositionwithbagger

installed

Important:Ensurethattherearpartofthe

seatissecuredwiththeseatlatch.

4.Toraisetherollbar,removethehairpincotterpins

andremovethetwopins(Figure6).

5.Raisetherollbartotheuprightpositionandinstall

thetwopinsandsecurethemwiththehairpincotter

pins(Figure6).

Important:Alwaysusetheseatbeltwiththe

rollbarintheraisedposition.

G004955

1

2

3

4

Figure6

1.Rollbar3.Pin

2.Raisedposition4.Hairpincotterpin

ThinkSafetyFirst

Pleasereadallsafetyinstructionsandsymbolsinthe

safetysection.Knowingthisinformationcouldhelp

youorbystandersavoidinjury.

15

Operatingonwetgrassorsteepslopescan

causeslidingandlossofcontrol.

Wheelsdroppingoveredgescancauserollovers,

whichmayresultinseriousinjury,deathor

drowning.

Thereisnorolloverprotectionwhentheroll

barisdown.

Alwayskeeptherollbarintheraisedandlocked

positionandusetheseatbelt.

Readandfollowtherolloverprotection

instructionsandwarnings.

Toavoidlossofcontrolandpossibilityof

rollover:

•Donotoperateneardrop-offsornearwater.

•Donotoperateonslopesgreaterthan

15degrees.

•Reducespeedanduseextremecautionon

slopes.

•Avoidsuddenturnsorrapidspeedchanges.

Figure7

1.SafeZone-usethe

ZMasterhereonslopes

lessthan15degreesor

atareas.

3.Water

2.Usewalkbehindmower

and/orhandtrimmernear

drop-offsandwater.

Thismachineproducessoundlevelsinexcess

of85dBAattheoperatorsearandcancause

hearinglossthroughextendedperiodsof

exposure.

Wearhearingprotectionwhenoperatingthis

machine.

Wearprotectiveequipmentforyoureyes,ears,feet,and

headwhenusingthismachine.

Figure8

1.Warning—wearhearingprotection

OperatingtheParkingBrake

Alwayssettheparkingbrakewhenyoustopthe

machineorleaveitunattended.

SettingtheParkingBrake

1.Movethemotioncontrollevers(Figure15)outto

theneutrallockposition.

2.Pullupandbackontheparkingbrakelevertoset

theparkingbrake(Figure9).Theparkingbrake

levershouldstayrmlyintheengagedposition.

Parkingbrakemaynotholdmachineparked

onaslopeandcouldcausepersonalinjuryor

propertydamage.

Donotparkonslopesunlesswheelsare

chockedorblocked

ReleasingtheParkingBrake

Pushforwardanddownontheparkingbrakelever

toreleasetheparkingbrake(Figure9).Theparking

brakeisdisengagedandtheleverwillrestagainstthe

brakestop.

16

Figure9

1.Parkingbrake-ON3.BrakeStop

2.Parkingbrake-OFF

StartingandStoppingthe

Engine

StartingtheEngine

1.Sitontheseatandmovethemotioncontrolsto

neutrallockedposition.

2.Settheparkingbrake;refertoSettingtheParking

Brake.

3.MovethePTO(powertakeoff)switchtotheOff

position(Figure10).

Figure10

1.PTO—on2.PTO—off

4.Movethechokecontroltotheonpositionbefore

startingacoldengine(Figure11).

Note:Awarmorhotenginemaynotrequire

choking.Afterenginestarts,movechokecontrolto

Runposition.

Figure11

1.Choke—on2.Choke—off

5.MovethethrottlecontroltotheFastposition

beforestartingacoldengine(Figure12).

Figure12

1.Throttle—fast

2.Throttle—slow

6.TurntheignitionkeytoStart(Figure13).Whenthe

enginesstarts,releasethekey.

Important:Donotengagestarterformore

than10secondsatatime.Ifenginefailstostart,

allow30secondcool-downperiodbetween

attempts.Failuretofollowtheseinstructions

canburnoutstartermotor.

17

Figure13

1.Off3.Start

2.Run

7.Aftertheenginestarts,movethechoketooff

(Figure11).Iftheenginestallsorhesitates,move

thechokebacktoonforafewseconds,thenmove

thethrottlelevertodesiredsetting.Repeatthisas

required.

StoppingtheEngine

1.PushthePTOtotheoffposition(Figure10).

2.Movethethrottlelevermidwaybetweentheslow

andfastpositions(Figure12).

3.Lettheengineidlefor60seconds.

4.Turntheignitionkeytotheoffpositionandremove

thekey(Figure13).

5.Closethefuelshutoffvalvebeforetransporting

orstoringthemachine.RefertoFuelSystem

Maintenance,page34.

Important:Makesurethatthefuelshutoff

valveisclosedbeforetransportingorstoring

themachine,asfuelleakagemayoccur.Setthe

parkingbrakebeforetransporting.Makesure

toremovethekeyasthefuelpumpmayrun

andcausethebatterytolosecharge.

Childrenorbystandersmaybeinjuredifthey

moveorattempttooperatethetractorwhileit

isunattended.

Alwaysremovetheignitionkeyandsetthe

parkingbrakewhenleavingthemachine

unattended,evenifjustforafewminutes.

OperatingthePowerTakeOff

(PTO)

Thepowertakeoff(PTO)switchstartsandstopsthe

mowerbladesandanypoweredattachments.

EngagingthePTO

1.Iftheengineiscold,allowtheenginetowarmup5

to10minutesbeforeengagingthePTO.

2.Whileseatedintheseat,releasethepressureonthe

tractioncontrolleversandplaceinneutral.

3.Placethethrottleinthefastposition.

Note:EngagingthePTOwiththethrottleatthe

halforlesspositionwillcauseexcessiveweartothe

drivebelts.

4.Pulloutonthepowertakeoff(PTO)switchto

engageit(Figure14).

Figure14

1.PTO-On2.PTO-Off

DisengagingthePTO

Todisengage,pushthePTOswitchtotheOffposition

(Figure14).

TheSafetyInterlockSystem

Ifsafetyinterlockswitchesaredisconnected

ordamagedthemachinecouldoperate

unexpectedlycausingpersonalinjury.

•Donottamperwiththeinterlockswitches.

•Checktheoperationoftheinterlock

switchesdailyandreplaceanydamaged

switchesbeforeoperatingthemachine.

UnderstandingtheSafetyInterlock

System

Thesafetyinterlocksystemisdesignedtopreventthe

enginefromstartingunless:

18

•Youaresittingontheseat.

•Theparkingbrakeisengaged.

•Thepowertakeoff(PTO)isdisengaged.

•Themotioncontrolleversareintheneutrallocked

position

Thesafetyinterlocksystemalsoisdesignedtostopthe

enginewhenthetractioncontrolsaremovedfromthe

lockedpositionwiththeparkingbrakeengagedorif

yourisefromtheseatwhenthePTOisengaged.

TestingtheSafetyInterlockSystem

ServiceInterval:Beforeeachuseordaily

Ifthesafetysystemdoesnotoperateasdescribed

below,haveanAuthorizedServiceDealerrepairthe

safetysystemimmediately.

1.Sittingontheseat,engagetheparkingbrakeand

movethePTOtoon.Trystartingtheengine;the

engineshouldnotcrank.

2.Sittingontheseat,engagetheparkingbrakeand

movethePTOtooff.Moveeithermotioncontrol

lever(outofneutrallockedposition).Trystarting

theengine;theengineshouldnotcrank.Repeatfor

othercontrollever.

3.Sittingontheseat,engagetheparkingbrake,

movethePTOswitchtooffandmovethemotion

controlleverstoneutrallockposition.Nowstart

theengine.Whiletheengineisrunning,release

theparkingbrake,engagethePTOandriseslightly

fromtheseat;theengineshouldstop.

4.Sittingontheseat,engagetheparkingbrake,move

thePTOswitchtooffandmovethemotioncontrol

leverstoneutrallockposition.Nowstarttheengine.

Whiletheengineisrunning,centereithermotion

controlandmove(forwardorreverse);theengine

shouldstop.Repeatforothermotioncontrol.

5.Sittingontheseat,disengagetheparkingbrake,

movethePTOswitchtooffandmovethemotion

controlleverstoneutrallockposition.Trystarting

theengine;theengineshouldnotcrank.

DrivingForwardorBackward

Thethrottlecontrolregulatestheenginespeedas

measuredinrpm(revolutionsperminute).Place

thethrottlecontrolinthefastpositionforbest

performance.Alwaysoperateinthefullthrottle

positionwhenmowing.

Machinecanspinveryrapidly.Operatormay

losecontrolofmachineandcausepersonal

injuryordamagetomachine.

•Usecautionwhenmakingturns.

•Slowthemachinedownbeforemaking

sharpturns.

DrivingForward

1.Releasetheparkingbrake;refertoReleasingthe

ParkingBrake.

2.Movetheleverstothecenter,un-lockedposition.

3.Togoforward,slowlypushthemotioncontrol

leversforward(Figure15).

Note:Theenginewillkillifthetractioncontrol

leversaremovedwiththeparkingbrakeengaged.

Togostraight,applyequalpressuretobothmotion

controllevers(Figure15).

Toturn,movethemotioncontrollevertoward

neutralinthedirectionyouwanttoturn(Figure15).

Thefartheryoumovethetractioncontrolleversin

eitherdirection,thefasterthemachinewillmovein

thatdirection.

Tostop,pullthemotioncontrolleverstotheneutral

position.

19

Figure15

1.Motioncontrol

lever-neutrallockposition

3.Forward

2.Center,un-lockedposition

4.Backward

DrivingBackward

1.Movetheleverstothecenter,un-lockedposition.

2.Togobackward,slowlypullthemotioncontrol

leversrearward(Figure15).

Togostraight,applyequalpressuretobothmotion

controllevers(Figure15).

Toturn,releasepressureonthemotioncontrollever

towardthedirectionyouwanttoturn(Figure15).

Tostop,pushthemotioncontrolleverstothe

neutralposition.

StoppingtheMachine

Tostopthemachine,movethetractioncontrollevers

toneutralandmovetolockedposition,disengagethe

powertakeoff(PTO),andturntheignitionkeytooff.

Settheparkingbrakewhenyouleavethemachine;refer

toSettingtheParkingBrake.Remembertoremovethe

keyfromtheignitionswitch.

Childrenorbystandersmaybeinjuredifthey

moveorattempttooperatethetractorwhileit

isunattended.

Alwaysremovetheignitionkeyandsetthe

parkingbrakewhenleavingthemachine

unattended,evenifjustforafewminutes.

AdjustingtheControlLever

Resistance

Thetopdampermountingboltcanbeadjustedto

obtainadesiredmotioncontrolleverresistance.Refer

toFigure16forthemountingoptions.

Torquetheboltto200in-lb(22.6N⋅m).

Figure16

1.Damper4.Mediumresistanceor

mediumfeel

2.Motioncontrolbracket

5.Leastresistanceorsoftest

feel

3.Mostresistanceorrmest

feel

AdjustingtheHeight-of-Cut

Theheight-of-cutisadjustedfrom1-1/2to5inch

(38to127mm)in1/4inch(6mm)incrementsby

relocatingtheclevispinintodifferentholelocations.

1.Raisetheheight-of-cutlevertothetransport

position(alsothe5inch(127mm)cuttingheight

position)(Figure17).

20

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Toro Z550 Z Master, With 72in TURBO FORCE Side Discharge Mower User manual

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